{"id":2167,"date":"2025-07-06T17:42:55","date_gmt":"2025-07-06T21:42:55","guid":{"rendered":"https:\/\/www.fecundity.com\/nfw\/?p=2167"},"modified":"2025-07-06T17:42:55","modified_gmt":"2025-07-06T21:42:55","slug":"five-degrees-of-separation","status":"publish","type":"post","link":"https:\/\/www.fecundity.com\/nfw\/2025\/07\/06\/five-degrees-of-separation\/","title":{"rendered":"Five degrees of separation"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">In a footnote to <a href=\"https:\/\/www.fecundity.com\/nfw\/2025\/07\/06\/updated-drafts-with-ten-different-coauthors\/\" data-type=\"post\" data-id=\"2160\">the previous post<\/a>, I suggested that a recent collaboration would lower my Erd\u0151s Number to 5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On the basis of having checked <a href=\"https:\/\/laser.fontmonkey.com\/foe\/index.php?entry=entry060425-090842\">a long time ago<\/a>, I knew that my Erd\u0151s Number was at most 6 on account of having coauthored with Craig Callender.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Since then, however, Craig has also collaborated with more people. So <a href=\"https:\/\/mathscinet.ams.org\/mathscinet\/freetools\/collab-dist?source=367605&amp;target=189017\">his Erd\u0151s Number<\/a> went down to 4 years ago, meaning that mine was already 5 or less. The new paper just means that there are multiple paths by which I&#8217;m entitled to an Erd\u0151s Number of 5.<span id='easy-footnote-1-2167' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote'><a href='https:\/\/www.fecundity.com\/nfw\/2025\/07\/06\/five-degrees-of-separation\/#easy-footnote-bottom-1-2167' title=' Next step, coauthor with the ghost of Paul Erd\u0151s.'><sup>1<\/sup><\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In a footnote to the previous post, I suggested that a recent collaboration would lower my Erd\u0151s Number to 5. On the basis of having checked a long time ago, I knew that my Erd\u0151s Number was at most 6 on account of having coauthored with Craig Callender. Since then, however, Craig has also collaborated &hellip; <a href=\"https:\/\/www.fecundity.com\/nfw\/2025\/07\/06\/five-degrees-of-separation\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Five degrees of separation&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[8],"tags":[10],"class_list":["post-2167","post","type-post","status-publish","format-standard","hentry","category-et-cetera","tag-my-writing"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p7PjAo-yX","jetpack_likes_enabled":false,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.fecundity.com\/nfw\/wp-json\/wp\/v2\/posts\/2167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fecundity.com\/nfw\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fecundity.com\/nfw\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fecundity.com\/nfw\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fecundity.com\/nfw\/wp-json\/wp\/v2\/comments?post=2167"}],"version-history":[{"count":2,"href":"https:\/\/www.fecundity.com\/nfw\/wp-json\/wp\/v2\/posts\/2167\/revisions"}],"predecessor-version":[{"id":2169,"href":"https:\/\/www.fecundity.com\/nfw\/wp-json\/wp\/v2\/posts\/2167\/revisions\/2169"}],"wp:attachment":[{"href":"https:\/\/www.fecundity.com\/nfw\/wp-json\/wp\/v2\/media?parent=2167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fecundity.com\/nfw\/wp-json\/wp\/v2\/categories?post=2167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fecundity.com\/nfw\/wp-json\/wp\/v2\/tags?post=2167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}